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Princess|Natural|GIA

0.51ct K SI2 Princess Natural Diamond

EX • K/SI2 • GIA 2185392329

Certificate GIA 2185392329

Diamond specifications and retailer prices

From $891 AUD
As of November 5, 2026
Save $1,003 AUD (53%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,894 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 0.51ct natural princess diamond

This 0.51ct natural princess sits in the half to three-quarter carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2185392329. Listed at 4 retailers as of November 4, 2026, with prices from $891 to $1,894, a $1,003 spread on the same certified stone. MOH London lists it at $1,894. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.51
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2185392329
Dimensions4.34 × 4.21 × 3.06 mm
L/W Ratio1.03
Top View
4.34 mm4.21 mm0.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 2185392329
Side View
Table 70.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 72.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 5
Current: $1,894 AUD|Low: $891 AUD|High: $1,919 AUD|Avg: $1,255 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 4$891 AUD
Retailer 3$1,007 AUD
Retailer 2$1,210 AUD
MOH London$1,894 AUD

44 data points across 4 retailers

4 retailers$891 AUD to $1,894 AUD

B+
Cheapest Retailer
-
$891 AUD
B
Retailer 2
-
$1,007 AUD
View
B
Retailer 3
-
$1,210 AUD
View
Most Expensive
B
MOH London
00F1A4ECA · Nov 4
$1,894 AUD
£1,044 GBP
View
3 more retailers have this diamond
Prices start from $891 AUDSave up to $1,003 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
0.51ct Princess
$891 AUD